<template>
  <div>
   <ul>
    <li v-for="(item,index) in list" :key="index+1">{{item}}</li>
   </ul>
   <button @click="fn">走一走</button>
  </div>
</template>

<script>
export default {
  data(){
    return {
      list:['帅哥','美女','程序员'],
    }
  },
  methods:{
    fn(){
      this.list.reverse()
    }
  }
}
</script>

<style>

</style>
